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BR9405710A - Field elimination device for a video compression / decompression system - Google Patents

Field elimination device for a video compression / decompression system

Info

Publication number
BR9405710A
BR9405710A BR9405710A BR9405710A BR9405710A BR 9405710 A BR9405710 A BR 9405710A BR 9405710 A BR9405710 A BR 9405710A BR 9405710 A BR9405710 A BR 9405710A BR 9405710 A BR9405710 A BR 9405710A
Authority
BR
Brazil
Prior art keywords
fields
field
frames
excised
memory
Prior art date
Application number
BR9405710A
Other languages
Portuguese (pt)
Inventor
Scott David Casavant
Tristan Savatier
Original Assignee
Rca Thomson Licensing Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21712357&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9405710(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rca Thomson Licensing Corp filed Critical Rca Thomson Licensing Corp
Publication of BR9405710A publication Critical patent/BR9405710A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/87—Producing a motion picture film from a television signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0112—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards corresponding to a cinematograph film standard
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Details Of Television Scanning (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Color Television Systems (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Processing Of Solid Wastes (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Image Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

Video signal compression apparatus includes a memory for storing two fields of image data and providing fields of image data separated by one frame intervals. Image data from corresponding fields of successive frames are subtracted to generate field differences. The field differences are accumulated over respective field intervals, and the sum is compared against a predetermined value. If a sum of differences over a field is less than the predetermined value, the most recent field is considered to be redundant and may be excised. After respective fields are excised, frames of video signal are composed from the remaining fields. The field types (e.g., odd or even) of the fields in the memory are determined, and the data is accessed from the respective fields in memory such that data from odd and even fields occupy odd and even lines in the composed frames respectively. Flags are associated with composed frames to indicate which fields contain data associated with excised fields, and which field of the composed frames should be displayed first.
BR9405710A 1993-01-14 1994-01-10 Field elimination device for a video compression / decompression system BR9405710A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/004,753 US5491516A (en) 1993-01-14 1993-01-14 Field elimination apparatus for a video compression/decompression system
PCT/US1994/000313 WO1994016526A1 (en) 1993-01-14 1994-01-10 Field elimination apparatus for a video compression/decompression system

Publications (1)

Publication Number Publication Date
BR9405710A true BR9405710A (en) 1996-08-06

Family

ID=21712357

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9405710A BR9405710A (en) 1993-01-14 1994-01-10 Field elimination device for a video compression / decompression system

Country Status (17)

Country Link
US (3) US5491516A (en)
EP (1) EP0679316B1 (en)
JP (2) JP3510628B2 (en)
KR (1) KR100282981B1 (en)
CN (1) CN1080516C (en)
AT (1) ATE167015T1 (en)
BR (1) BR9405710A (en)
CA (1) CA2153886C (en)
DE (1) DE69410781T2 (en)
ES (1) ES2117252T3 (en)
FI (1) FI113929B (en)
MY (1) MY109889A (en)
RU (1) RU2115258C1 (en)
SG (2) SG110033A1 (en)
TR (1) TR27398A (en)
TW (1) TW225080B (en)
WO (1) WO1994016526A1 (en)

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Also Published As

Publication number Publication date
ES2117252T3 (en) 1998-08-01
SG110033A1 (en) 2005-04-28
CN1080516C (en) 2002-03-06
CA2153886A1 (en) 1994-07-21
MY109889A (en) 1997-09-30
TR27398A (en) 1995-02-28
JP2004088800A (en) 2004-03-18
KR100282981B1 (en) 2001-03-02
TW225080B (en) 1994-06-11
WO1994016526A1 (en) 1994-07-21
DE69410781D1 (en) 1998-07-09
SG94680A1 (en) 2003-03-18
FI953429A0 (en) 1995-07-13
CN1117780A (en) 1996-02-28
ATE167015T1 (en) 1998-06-15
US5600376A (en) 1997-02-04
RU2115258C1 (en) 1998-07-10
US5491516A (en) 1996-02-13
JP4002549B2 (en) 2007-11-07
FI113929B (en) 2004-06-30
FI953429A7 (en) 1995-08-23
US5426464A (en) 1995-06-20
KR960700610A (en) 1996-01-20
JPH08507182A (en) 1996-07-30
DE69410781T2 (en) 1998-10-15
EP0679316A1 (en) 1995-11-02
JP3510628B2 (en) 2004-03-29
EP0679316B1 (en) 1998-06-03
CA2153886C (en) 2003-08-05

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Free format text: GE TECNOLOGY DEVELOPMENT, INC. (US)

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Ipc: H04N 7/01 (2006.01), H04N 19/85 (2014.0